It is a great Open Source Tool for Videoconf in a Browser or via Smartphone App.

Although its written in Java, it's easy to setup in Debian Buster and it doesn't use soooo much Resources. Installation Manual:

• https://www.scaleway.com/en/docs/setting-up-jitsi-meet-videoconferencing-on-debian-buster/

NAT-Network Config: If you run a NAT'ED VS, you need to setup some additional Portforwardings and change some Settings in Jitsi Config:

• https://github.com/jitsi/jitsi-meet/blob/master/doc/quick-install.md#advanced-configuration

Include Imprint and Datenschutz:

• https://www.kuketz-blog.de/jitsi-meet-vorlage-fuer-datenschutzerklaerung/